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Finding the Fourth Proportional to 562,567.20, 776,341.44 and 307,916.16

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Solution

The fourth proportional to 562,567.20, 776,341.44 and 307,916.16 is: 424,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,567.20 : 776,341.44 = 307,916.16 : x
  2. Step 2: Convert to fraction form
    562,567.20/776,341.44 = 307,916.16/x
  3. Step 3: Cross multiply
    562,567.20x = 776,341.44 × 307,916.16
  4. Step 4: Simplify right side
    562,567.20x = 239,048,075,053.67
  5. Step 5: Solve for x
    x = 239,048,075,053.67/562,567.20
  6. Step 6: Final answer
    x = 424,923.59

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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.