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Finding the Fourth Proportional to 607,051.20, 910,576.80 and 555,875.40

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Solution

The fourth proportional to 607,051.20, 910,576.80 and 555,875.40 is: 833,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,051.20 : 910,576.80 = 555,875.40 : x
  2. Step 2: Convert to fraction form
    607,051.20/910,576.80 = 555,875.40/x
  3. Step 3: Cross multiply
    607,051.20x = 910,576.80 × 555,875.40
  4. Step 4: Simplify right side
    607,051.20x = 506,167,242,930.72
  5. Step 5: Solve for x
    x = 506,167,242,930.72/607,051.20
  6. Step 6: Final answer
    x = 833,813.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.