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Finding the Fourth Proportional to 623,681.65, 860,616.39 and 460,424.98

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Solution

The fourth proportional to 623,681.65, 860,616.39 and 460,424.98 is: 635,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,681.65 : 860,616.39 = 460,424.98 : x
  2. Step 2: Convert to fraction form
    623,681.65/860,616.39 = 460,424.98/x
  3. Step 3: Cross multiply
    623,681.65x = 860,616.39 × 460,424.98
  4. Step 4: Simplify right side
    623,681.65x = 396,249,284,153.42
  5. Step 5: Solve for x
    x = 396,249,284,153.42/623,681.65
  6. Step 6: Final answer
    x = 635,339.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.